How to fix Windows Update error 0x80070003

What is Windows Update error 0x80070003

Windows Update error 0x80070003 is a common issue that occurs when the Windows operating system fails to install updates correctly. This problem might arise due to various reasons including missing or corrupted system files. The error signifies that some files in the update could not be found or the update installation process was incomplete. Often, it is observed when there’s a disruption in the file path or when specific files or folders are inadvertently deleted. Additionally, it might occur due to issues with the hard drive or if there’s damage in the Windows update components. Network issues and incorrect configurations could also lead to this error. It’s critical to address this promptly to ensure that your system stays up-to-date with the latest security patches and features. Ignoring this error could leave your computer vulnerable to security risks. Many users experience it while trying to install cumulative updates or feature updates in Windows. Understanding the root causes of this error can help in troubleshooting and fixing it effectively.

Solutions for Fixing Windows Update Error 0x80070003

Restart Your Computer

Sometimes a simple restart can resolve this error. Restart your PC and try running the update again.

Run Windows Update Troubleshooter

1. Go to Settings > Update & Security > Troubleshoot.
2. Select Additional troubleshooters.
3. Choose Windows Update > Run the troubleshooter.
4. Follow on-screen instructions to complete the troubleshooting process.

Check Windows Update Services

Confirm Windows Update Services are Running

1. Press Win + R to open the Run dialog.
2. Type services.msc and press Enter.
3. In the Services window, locate the following services:
   • Windows Update
   • Background Intelligent Transfer Service (BITS)
   • Cryptographic Service
4. Ensure all services are running. If not, right-click and select Start.

Clear Windows Update Cache

1. Open Command Prompt with administrative privileges.
2. Stop the update services with the commands:

   net stop wuauserv
   net stop bits

3. Navigate to C:\Windows\SoftwareDistribution and delete all files and folders.
4. Restart the services:

   net start wuauserv
   net start bits

Use the System File Checker Tool

1. Open Command Prompt as an administrator.
2. Type sfc /scannow and press Enter.
3. Wait for the process to complete and reboot your system.

Windows 11 Start -> Terminal (Admin)

Windows 11 Terminal -> sfc /scannow

Check Disk for Errors

1. Open Command Prompt as an administrator.
2. Execute the command: chkdsk /f.
3. Follow the on-screen prompts, and reboot if necessary.

Reset Windows Update Components

1. Open Command Prompt as an administrator.
2. Execute the following commands one by one:

   net stop wuauserv
   net stop cryptSvc
   net stop bits
   net stop msiserver
   Ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
   Ren C:\Windows\System32\catroot2 Catroot2.old
   net start wuauserv
   net start cryptSvc
   net start bits
   net start msiserver

Check for Corrupted System Files

If the problem persists, consider using third-party tools to check for corrupted system files and repair them.

Perform a Clean Boot

1. Open System Configuration by typing msconfig in the Run dialog.
2. Go to the Services tab and check Hide all Microsoft services.
3. Click Disable all.
4. Go to the Startup tab and click Open Task Manager.
5. Disable all startup items.
6. Restart your computer.

Contact Microsoft Support

If none of the above solutions work, contact Microsoft Support or seek professional assistance to resolve the issue effectively.